B1838 - Battery Saver Power Relay Circuit Failure

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B1838 Possible Causes

  • Faulty Battery Saver Power Relay
  • Battery Saver Power Relay harness is open or shorted
  • Battery Saver Power Relay circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B1838?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the B1838 code

Labor: 1.0

The cost of diagnosing the B1838 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1838 Description

The Body Control Module (BCM) monitors the Battery Saver Power Relay. The BCM sets the OBDII code when the Battery Saver Power Relay is not to factory specifications.
OBDII Code B1838 - Battery Saver Power Relay Circuit Failure - AutoCodes.com

More Information

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Information for specific makes

  • B1838 LEXUS Short To Positive In Front Passenger Side Curtain Shield Squib Circuit
  • B1838 SCION Short To Positive In Front Passenger Side Curtain Shield Squib Circuit
  • B1838 TOYOTA Short To Positive In Front Passenger Side Curtain Shield Squib Circuit

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Comments

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